Which of the Following Would Explain Why Small and Medium-

Which of the following would explain why small and medium- sized firms account for about 98% of businesses in the gas, electricity and water supply sectors but they only account for about 15% of employment and 20% of sales?

A) A shortage of capital- intensive production
B) A shortage of labour
C) The need to access natural resources
D) A need for large- scale capital- intensive production